CVE-2020-5765: Tenable Nessus

Medium severity, CVSS 5.4. EPSS: 1.1% chance of exploitation in the next 30 days.

Nessus 8.10.0 and earlier were found to contain a Stored XSS vulnerability due to improper validation of input during scan configuration. An authenticated, remote attacker could potentially exploit this vulnerability to execute arbitrary code in a user's session. Tenable has implemented additional input validation mechanisms to correct this issue in Nessus 8.11.0.

Affected products

• Tenable Nessus: up to and including 8.10.0

Published 2020-07-15. Last modified 2026-06-17.